Subgingival Calculus Removal Techniques

Why is the removal of subgingival deposits more challenging?

• They are easily visible

• They are located on the tongue

• They are hidden beneath the gingival margin

• They are above the gingival margin.

Calculus is covered with _________.

• Healthy cells

• Disease-causing bacteria

• Water

• Minerals

Clinicians must rely on their sense of ______ for successful subgingival instrumentation.

• Sight

• Touch

• Hearing

• Smell

In periodontitis, the destruction of which tissue leads to the loosening of teeth?

• A) Connective tissue

• B) Enamel

• C) Dentin

• D) Pulp

Which part of the periodontium is directly involved in the attachment of the tooth to the gum?

• Junctional epithelium

• Enamel

• Dentin

• Pulp

What is the primary focus of the topic 'Angulation for Insertion'?

• Proper alignment

• Speed of insertion

• Material used

• None of the above

What is the angle of angulation for insertion shown in the diagram?

• 0°

• 20°

• 40°

• 60°

In the diagram, what anatomical part is labeled next to the calculus?

• Root

• Gingiva

• Enamel

• Dentin

Fill in the blank: The cross-section of the working end is shown in the diagram to illustrate the _______ for insertion.

• Angle

• Depth

• Width

• Height

What is the first step in the insertion process?

• Select correct working-end

• Establish secure finger rest near tooth

• Prepare for insertion by placing working-end on crown

• The face is at a closed angle as the working-end slides gently to the base of the pocket.